• Supports table and row level locking and 4 isolation levels, RR (repeatable read), rs (read stability), CS (default - cursor stability) and ur (uncommitted read).

    支持表级以及4个隔离级别RR(可重复)、RS(读可靠)、CS(默认——游标可靠)和UR(未提交读)。

    youdao

  • With the "Repeatable Read" data region fetch requests issued multiple times within the same transaction will always produce the same result yielding better application throughput.

    相同事务可重复读取区域数据多次请求结果是相同的,但能够带来更好的应用吞吐量

    youdao

  • In fact, the only row-level locking that remains during INSERT is the next-key locks that are required to protect an INSERT from adding keys to repeatable read scanners.

    实际上,在INSERT期间惟一保持行级next - key,这个锁用于使INSERT不会添加可重复扫描器

    youdao

  • Repeatable read — the transaction always reads the same data during the transaction.

    Repeatable read(可重读)——在事务过程中,事务始终读取相同数据

    youdao

  • However, for entity beans this rule has to be relaxed; due to the nature of the model, most pessimistic locking access intents require at least Repeatable Read.

    但是对于实体Bean则可不遵循规则由于模型本身特性多数悲观锁定访问都需要至少Repeatable Read

    youdao

  • These next key locks are only obtained when the key INSERT finds that a scanner with a Repeatable Read (RR) isolation level has a row lock on the next-higher key in the index.

    这些nextkey只有keyINSERT发现带有Repeatable Read (RR)隔离级别扫描器索引中的next -higher一个才能获得

    youdao

  • For example, reading from a read - only look up table doesn t require repeatable read, and uncommitted read is sufficient.

    比如读取只读的查找需要可重复级别,未提交读级别足够了

    youdao

  • Read committed, Read uncommitted, Repeatable Read, Serializable.

    提交,未提交读,可重复读,可串行读。

    youdao

  • Read committed, Read uncommitted, Repeatable Read, Serializable.

    提交,未提交读,可重复读,可串行读。

    youdao

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